Antonyms of adj superb

2 senses of superb

Sense 1
brilliant, superb -- (of surpassing excellence; "a brilliant performance"; "a superb actor")

INDIRECT (VIA superior) -> inferior -- (of low or inferior quality)

Sense 2
superb -- (surpassingly good; "a superb meal")

INDIRECT (VIA good) -> bad -- (having undesirable or negative qualities; "a bad report card"; "his sloppy appearance made a bad impression"; "a bad little boy"; "clothes in bad shape"; "a bad cut"; "bad luck"; "the news was very bad"; "the reviews were bad"; "the pay is bad"; "it was a bad light for reading"; "the movie was a bad choice")

Similarity of adj superb

2 senses of superb

Sense 1
brilliant, superb -- (of surpassing excellence; "a brilliant performance"; "a superb actor")
       => superior (vs. inferior) -- (of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students")

Sense 2
superb -- (surpassingly good; "a superb meal")
       => good (vs. bad) -- (having desirable or positive qualities especially those suitable for a thing specified; "good news from the hospital"; "a good report card"; "when she was good she was very very good"; "a good knife is one good for cutting"; "this stump will make a good picnic table"; "a good check"; "a good joke"; "a good exterior paint"; "a good secretary"; "a good dress for the office")